:root {
    --primary-blue: #4A90E2;
    --light-blue: #E6F2FF;
    --dark-blue: #003366;
    --text-color: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --bg-light: #f8fbff;
    --accent: #2D9CDB;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 50px;
    /* 
       The original logo is yellow (approx hue 50deg). 
       We want light blue (approx hue 200deg).
       Difference is +150deg.
       We also might need to adjust brightness/saturation to match the theme.
    */
    filter: hue-rotate(160deg) saturate(1.2) brightness(0.95);
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav a {
    font-weight: 500;
    color: var(--text-color);
}

.nav a:hover {
    color: var(--primary-blue);
}

.btn-nav {
    background-color: var(--primary-blue);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
}

.btn-nav:hover {
    background-color: var(--dark-blue);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-blue) 0%, #ffffff 100%);
    padding: 100px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--dark-blue);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    padding: 15px 30px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--dark-blue);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--light-blue);
}

/* Sections General */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-blue);
    margin-bottom: 10px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-light);
}

.about-stat {
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.1);
    text-align: center;
    border: 1px solid var(--light-blue);
}

.stat-highlight {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin: 10px 0;
}

/* Features Section */
.bg-light {
    background-color: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    color: var(--dark-blue);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Community Section */
.community-section {
    background-color: var(--dark-blue);
    color: var(--white);
    text-align: center;
}

.community-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.community-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 40px;
}

.audience-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.tag {
    background-color: rgba(255,255,255,0.1);
    padding: 10px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.2);
    font-weight: 500;
}

/* Footer */
.footer {
    background-color: #f0f4f8;
    padding: 60px 0 20px;
    color: var(--text-color);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 20px;
    filter: hue-rotate(160deg) saturate(1.2) brightness(0.95);
}

.footer-col h4 {
    color: var(--dark-blue);
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-light);
}

.footer-col ul li a:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e1e8ed;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px 15px;
    }
    
    .nav a {
        font-size: 0.9rem;
    }
    
    .btn-nav {
        padding: 8px 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav ul {
        gap: 8px 12px;
    }
    
    .nav a {
        font-size: 0.85rem;
    }
    
    .btn-nav {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-sub {
        font-size: 1rem;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
}